BUICK ROADMASTER Transmissions Transmission & Drivetrain

B&M Tork Master Torque Converters

Tork Master converters are B&M's most affordable performance torque converters. They feature precision pump drive tubes and are pressure tested, fully balanced, and ready to install. The Tork Masters are excellent all-around performance street converters. They are not recommended for big block or supercharged applications.

4.42 out of 5 stars ( 199 )

$460.95

—

$483.95

FTI Performance SB Series Torque Converters

FTI Performance SB Series torque converters are an excellent choice for mildly modified engines. They work well in street rods with air conditioning, as well as weekend bracket racers. The converters feature Torrington bearings, hardened impeller hub, hub furnaced and TIG-welded fins, high performance clutch lining, and strengthened sprague.

4.22 out of 5 stars ( 86 )

$449.00

FTI Performance ESR Series Torque Converters

FTI Performance ESR Series torque converters are designed for mildly modified vehicles. They're built using Torrington bearings, race-prepped sprague hardened impeller hub, hardened turbine hub and splines, a new steel pilot, and laser-cut mounting ring. These units are available in a variety of sizes, advertised flash stall ratings, and numerous other options. Order the torque converter recommended for your transmission application.

4.63 out of 5 stars ( 65 )

$649.00

Lokar Midnight Series Flexible Braided Stainless Transmission Dipsticks

Lokar's Midnight Series flexible braided stainless transmission dipsticks feature a heat-resistant PTFE rod with a black braided stainless steel cover. The flexible inner rod is stamped with appropriate trans-fluid levels, and the outer housing has a slim design that allows for mounting them inside of the headers. They're available in both firewall-mount and trans-mount styles, and a funnel adapter is included for assistance with filling. Order the length recommended for your transmission application.

4.65 out of 5 stars ( 81 )

$151.95

—

$176.95

TCI Filler Tubes and Dipsticks

TCI introduces a fresh line of quality filler tubes. Applications for the most popular Ford, GM, and Chrysler transmissions are available. Most of the dipsticks feature a locking stick that satisfies sanctioning bodies' racing rules. The rubber boot seal is a vast improvement over the small O-ring typically used on older OEM tube designs.

4.32 out of 5 stars ( 189 )

$65.95

TCI Wireless EZ-TCU Transmission Controllers

TCI Wireless EZ-TCU module kits make it even easier to control your transmission and even remotely disable it to prevent theft. These Bluetooth-enabled controllers allow you to control shift points, firmness, and aggressiveness. Data logging and self-diagnostics make it possible to optimize tuning intuitively--without the need for software, a hand-held unit, or cabling. And they also feature anti-theft—the ability to deactivate your car. TCI Wireless EZ-TCU transmission controllers feature: * Easy transmission control from your phone or tablet; no laptop or software needed * Maximum electronic control over the shift points, shift firmness, and shift aggressiveness * Data logging and self-diagnostics for optimal tuning * Anti-theft feature for disabling vehicle through app * Compatible with 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, and TCI 4x and 6x transmissions * Available for iOS and Android

2.33 out of 5 stars ( 3 )

$1,026.95

Mr. Gasket Automatic Transmission Oil Pans

These automatic transmission oil pans from Mr. Gasket are stock-depth chrome plated pans. They come complete with a washer and gasket and most have drain plugs.

4.21 out of 5 stars ( 96 )

$74.35

—

$129.95

TCI Governor Covers

Has your vehicle's governor cover from the factory reached its "term limit?" Might be time to choose a replacement from the experts at TCI Auto! Your old rusted and dented cover has seen years of abuse, so why let it ruin the looks of your engine bay? Now you can dress up your transmission governor with corrosion-resistant stainless steel. These aesthetically pleasing options are available in two styles—exact OEM replica or stamped with the TCI logo. Both include a rubber O-ring for a leak-free seal. Conceal the hole where the governor is located and hold it in place on the transmission with a beautiful stainless cover from TCI.

4.4 out of 5 stars ( 47 )

$40.95

—

$42.95

Hays Twister 3/4 Race Torque Converters

Hays Twister 3/4 Race performance torque converters are designed to be the perfect solution for your street/strip machine. Hays designed the Twister torque converters to be one step short of being a "Full Race" converter giving you the perfect combination of performance and affordability. Every torque converter is hand built, inspected and tested to ensure they meet the top of the line quality you expect. To ensure consistency and improve performance each converter is built for one transmission with one bolt pattern, meaning a lighter converter to maximize performance. High flow stators promote better cooling and heavy duty Torrington bearings are used to increase strength and durability. Not ready to go a "Full Race" converter, Hays is there for you with their Twister 3/4 Race torque converters.

3.18 out of 5 stars ( 11 )

$767.95

—

$1,024.95

FTI Performance SRL Series Billet Lockup Torque Converters

FTI Performance SRL Series billet lockup torque converters feature a computer-designed, CNC-machined billet front cover and a billet lockup piston--making premature clutch wear a thing of the past. With custom stator designs and multiple blade angle pumps, stalls are available from 2,800-4,400 rpm. They are custom-built to your exact needs and driving style. With furnace-brazed and heli-welded fins, severe-duty sprague, and anti-ballooning flanged impeller hub, these torque converters are virtually indestructible.

4.11 out of 5 stars ( 19 )

$1,099.00

PRW Gold Series Flexplates

PRW Gold Series flexplates are engineered to handle extreme duty applications and designed to endure the punishment of modern high horsepower engines. The 4mm thick centerplate provides a solid foundation for these direct bolt-on drivetrain components. Ring gears are precision double-welded, utilizing robotic machinery and cold-welding processes for added durability. These flexplates are rigorously inspected throughout the manufacturing cycle to ensure you receive the expected quality. They are available in a wide variety of configurations to precisely match your application. Raise the bar on your high performance vehicle with PRW Gold Series flexplates. Order the style recommended for your specific vehicle and engine size. Features and specs: * Designed to fit standard OEM, aftermarket replacement, and high performance torque converters * SFI 29.1 certified * Forged one-piece steel ring gears * 0.035 in. thicker than stock flexplates * Constructed from cold-rolled chromoly steel * Long lasting yellow zinc plated finish

4.0 out of 5 stars ( 52 )

$94.66

—

$100.18

Silver Sport 621 Manual Transmission Bellhousings

Silver Sport 621 manual transmission bellhousings are a good match for your street or trip transmission. Re-engineered by SST, these aluminum 621 GM reproductions feature CNC-machined, thick wall titanium-aluminum alloy construction for Chevy engines with 168-tooth flywheels.

1.0 out of 5 stars ( 1 )

$319.95

B&M Holeshot Torque Converters

A higher-than-stock stall speed as delivered by these B&M Holeshot converters will provide several advantages and benefits to vehicles with modified engines. Many modifications, particularly big cams, tend to reduce low-end power and torque. These high-stall converters allow the engine to launch the car at higher rpm, where more torque is available. They're a very good choice for the typical street machine that is looking for better launch capability and more strength.

3.88 out of 5 stars ( 84 )

$649.95

—

$921.95

ACDelco Gold Automatic Transmission Fluid Filters

ACDelco Gold automatic transmission fluid filters can help to ensure the reliability and performance of your automatic transmission. These filters trap impurities that may be present in the fluid before they get pumped through to the moving components of your transmission, thus avoiding damage. On-time maintenance can extend your transmission's life and keep it operating efficiently. Perform service with ACDelco Gold automatic transmission fluid filters.

4.17 out of 5 stars ( 40 )

$24.99

PRW Flexplate Fasteners

PRW flexplate fasteners are specifically designed to be stronger than OEM bolts. Using SCM-4141 alloy steel, they are cold-formed with rolled threads and heat-treated to ensure they are of the highest quality available on the market. PRW flexplate bolts are rated at 200,000 psi. Choose the thread size you need.

1.0 out of 5 stars ( 1 )

$12.25

TCI Transmission Pans

Investing in TCI transmission pans ensures the longevity of your transmission. They offer a selection of designs, depths, materials, and finishes to keep your transmission cooler and your undercarriage looking good. Skip the pans of lesser quality doomed to warp and leak; choose the policy of lasting performance from TCI transmission pans. TCI cast aluminum pans feature: * Exterior cooling fins wick away and dissipate heat * Provides additional strength and rigidity to transmission case * Ensures long transmission service-life * Include all required accessories and hardware necessary for installation TCI Max-Cool aluminum pans feature: * Black powdercoated finish * Large fluid capacity reduces internal transmission temperature * Exterior cooling fins wick away and dissipate heat * Aircraft-quality aluminum construction for strength and durability * Magnetic drain plug TCI polished die-cast aluminum pans feature: * Thicker than stock pans * Finned and polished to a high luster * Stock depth to avoid ground clearance issues * Includes drain plug for simpler fluid and filter changes * Includes necessary gaskets, filters, and installation hardware TCI chrome-plated steel pans feature: * Stock depth is easy to install * Includes drain plugs * Thicker than stock for added durability * Chrome prevents rust and adds show quality looks

4.2 out of 5 stars ( 187 )

$169.95

—

$256.95

On Sale

Hays Street 650 Clutch Conversion Kits

Hays Street 650 clutch conversion kits are designed to handle highly modified engines up to 650 hp naturally aspirated (600 hp for forced induction and nitrous combinations). The new 26-spline versions work in conjunction with a modern 5- or 6-speed transmission swap. These are true street/strip clutches for spirited high performance driving or frequent track use. The high performance dual-friction disc utilized in the Street 650 has an upgraded spring hub with heavy-duty damper springs to handle greater shock loads versus a standard damper spring. The disc features a sintered metallic friction surface and an organic friction surface. It does a great job at dissipating heat and fighting the slippage found in ordinary discs, along with providing the smooth engagement characteristics of a street-style clutch. These conversion kits also provide an upgraded heavy-duty pressure plate to round out the performance clutch. The Street 650 is a great choice if you visit the track often. Order the model recommended for your vehicle application. Features and benefits: * Upgraded damper springs deliver up to 30 percent more clamping pressure than stock OE clutch * Dual-friction disc offers the best of both worlds—smooth engagement and excellent holding capacity * All Street 650 clutch kits come complete with pressure plate, disc, throwout bearing, and alignment tool

4.67 out of 5 stars ( 6 )

$716.95

—

$1,075.95

Hays Street 450 Clutch Conversion Kits

Hays Street 450 clutch conversion kits are an excellent upgrade offering up to 30 percent more holding power (clamping force) over your stock clutch. They're designed for handling stock to mildly modified engines—up to 450 horsepower. If drivability along with a stock pedal feel are the leading factors for your application, then order the Hays Street 450 clutch conversion kit recommended for your specific vehicle and engine size. Features, items, and specs: * Smooth, chatter-free operation using top quality organic composite friction surface material * Upgraded damper springs * Pressure plate * Clutch disc * Throwout bearing * Alignment tool * Instructions

3.38 out of 5 stars ( 8 )

$486.95

—

$584.95

On Sale

Hays Billet Steel Flywheels

Hays steel flywheels are engineered to handle extreme-duty applications and designed to take the punishment of today's high-horsepower engines. They are CAD-engineered and precision CNC-machined to strict tolerances. Available in weights up to 50 lbs. for specialized applications, most Hays flywheels are drilled with both the Borg and Beck and Long-style clutch patterns. Upgrade to a precision-machined and engineered Hays billet steel flywheel. Features include: * SFI-approved--legal for use in racing classes that require SFI certification * CNC-machined from certified billet steel for maximum strength and durability * CAD-designed for optimum performance and reliability * Offered in internal, external, or neutral (zero) balanced versions * Available for a wide variety of engines Note: When choosing a flywheel, remember that a heavier flywheel stores more energy. A heavy car requires more power (or inertia) to launch without bogging the engine and needs a heavier flywheel. Lighter flywheels create less inertia at launch, but will accelerate faster through the gears.

4.61 out of 5 stars ( 31 )

$587.95

B&M Transkits

B&M Transkits give you the same high-quality components that are used in all B&M Street and Strip transmissions. They include high performance friction materials, a complete overhaul gasket set, a drain plug kit, and all of the parts necessary to convert your valve body into a full manual/automatic valve body. These improvements enhance shift feel, while retaining full automatic features. The Transkits come complete with full instructions on how to assemble your transmission to B&M specifications (except BMM-70232 and BMM-70233). They also include special directions on how to modify your case, pump, and components.

4.39 out of 5 stars ( 44 )

$665.95

VEGE Remanufactured Torque Converters

VEGE has honed its remanufactured torque converter operation to optimize a steady outflow of a variety of products by using and adopting standard operating procedures to supply automotive, high-performance, heavy-duty, and industrial converters. VEGE torque converters incorporate the necessary upgrades to reduce failures. Areas that are known to fail such as pump and turbine blades are reset and re-enforced. The stators are completely disassembled and reloaded with new rollers and springs. Turbine hubs that have a high failure rate are replaced with billet steel hubs. Needle bearings are replaced with new ones and in most cases upgraded to heavy duty standards. VEGE torque converters are super balanced twice! Using state of the art Hines balancers all VEGE torque converters are checked for balance during the set up and tack and after final weld. This makes for a better dynamic running torque converter.

4.13 out of 5 stars ( 62 )

$118.99

—

$138.99

Clearance

WIX Filters Transmission Filters

WIX transmission filters protect automatic transmissions against contaminants in the transmission fluid. Proper filtration helps improve transmission life by minimizing wear and preventing sticking and scoring of sensitive shift control valves. In the event of a part failure, WIX transmission filters also guard against secondary damage to other parts, possibly minimizing additional repair costs. Order the replacement model designed for fitment with your vehicle application.

4.46 out of 5 stars ( 122 )

$21.99

—

$23.99

TCI Beast Automatic Transmission Sun Shells

Have you ever suddenly lost reverse, 2nd, and 4th gears? These TCI Beast automatic transmission sun shells are designed to replace the OEM sun shell assembly that is a known weak point. They have been retooled and improved by making them thicker and giving them a revised spline area. Don't lose any more gears--try one of these TCI Beast automatic transmission sun shells to eliminate any possible problems.

5.0 out of 5 stars ( 9 )

$148.95

Lokar Hi-Tech Flexible Braided Stainless Transmission Dipsticks

Lokar's Hi-Tech flexible braided stainless transmission dipsticks match right up with other Lokar accessories. They feature a flexible, heat-resistant PTFE rod with a braided stainless steel cover. The inner rod is stamped with appropriate trans-fluid levels, and the outer housing has a slim design that allows for mounting inside of the headers. These dipsticks are available in both firewall-mount and trans-mount styles, and a funnel adapter is included for assistance with filling. Order the length and other options preferred for your vehicle make and transmission application.

4.55 out of 5 stars ( 341 )

$138.95

—

$163.95